Pump connection.



PATENT 01 1 10111.

SIDNEY B. ANTHONY, OF NEW YORK, N. Y.

PUMP CO imnc'r on.

1,266,192, Specification Application "fled mumps; :1, 1016. Serial m.

To all whom it may concern r sure tank,

Be it known that I, SIDNEY R. Anrnonr,

a citizen of the United States, residing1 in the city of New York,borough of Man tan, county and State of New York have invented a certainnew and useful ump Connection, of which the following is aspecification.

This invention isa pump connection and the object of the invention is torovide simple and efficient means for expeditiously connecting thenipple of a pneumatic vehicle tire to an air compressing pump or to areservoir containing air under compression, More specifically stated,the invention embodies an embraced coupling or connection, adapted to benormally, fixedly secured to the delivery tube of thetire pump orpresvYhich is Jrovided with a resilient portion ado ted, w en broughtinto a position to emb ace the tire nipple, to be contracted, bysuitable means, in order that said resilient mbm or may tightly grip thehi ple and securely maintain the connection 111 cooperative relationthereto.

A further feature of the invention is embodied in valve mechanismadapted to normally seal the delivery tube of the pressure tank withwhich the connection is associated to preclude wasteful escape ofco1npressed air at such times as it is not desired to feed the same tothe tire and with the connection is associated means, 0 crating on saidvalve during desired period; tain the valve unseated, and to allow ofthe inflating of the tire. This latter means is controllable by theoperator, preferably independently of the means which holds theconnection orcouplirig in position'on the tire nipple, so that seatedduring the positioning of the coupling on and the removal of the samefrom the nipple. t

Features of the invention, other than those specified, will be apparentfrom the following detailed description, when read in conjunction withthe accompanying draw-- in s.

n the accompanying drawin I have illustrated diflerentpractical emodiments of the invention,

preferred embodiment of the nineteen:

to mainthe valve may .remain but the construction therein shown is to beunderstood as illustrative mm" mm. Patented May 14, 1918.

ployed in conj storage tank.

Fig. 2 is a transverse section on line 2-2 of Fig. 1.

Fig. 3 is a central vertical section of the preferred embodiment of theinvention when used 1n conjunction with a tire pump, and Fig. 4 is asection on line 44 of Fig. 3. Referring to the drawings and moreparunction with a compressed air ticularly to Figs. 1 and 2 thereof, Adesighates a substantially tubular casing which is closed at its lowerend with the exception of an opening a through which the end of a tirenipple may be introduced into the easing. The upper portion of thecasing A is threaded as etc to receivea screw capB, and throu the centerof the scre'woap B is thread a thumb screw G, the function -of whichwill hereinafter appear.

Within the lower portion of the casin A is seated an annulus ofresilient materia D preferably rubber, the interior diameter of which isreferably interior iameter of the aperture :2 in the casing, so that theend of a tire nipple E may extend into the. casin and be positionedinteriorly of the annulus l), which is clearlv shown in Fig. I. v V

Superimposed upon the annulus D is a tu bular; pressure plug d, thelowerledge of which seats upon the upper ed e biz-the annulus D, andupon the upper e e of which so-ealled is provided within stem f, whichthe deliveryhose'of the pump or pressure tank is adapted to em- The hosepiece F isi'lsubstantially tubular in form but intermediate its u petand lower edges is interiorly provided with a con- ,tracted portionforming a seat for a ball- .valve f, which is normally maintained seatedby a helical spring f, the lower end of which is seated in a thimble fscrewed in from the bottom of the hose piece F. The stem of the hosepiece is tubular in form, and its interior passage leads into theinterior of the hose piece F so that the interior "of said hose pieceis, at all times, in communication with the pressure or compressionchamber. The compressed air fed to the interior hose piece F is,however, normall recluded; from passage therefrom by the gal waive whichcloses the chanil'ier.

brace, and to which it is normally fixedly se- 'j' extendinghmgiuidinally f is unsealed with the pressure within the interior of thehose piece F, it will he coinmunicutotl to that portion of the hosepiece intermediate the valve seat and the sore cap B, and fron'i thispoint it is lull to the tire through a plurality of ducts or passagesthrough the walls of the hose piece as shown best in Figs. 1 and 2. .Inorder that the (:(unprosuml air passing throughv duris f can not heoistruetod in lfibil il'lll; from the lower rods of said ducts, theupper face ol' the oi-swirl. plug (Z is preferably dished, as shown u.if, so that the con'ipressod air, may haw unrestricted circulation fromtho duohf" in the open end of the tire nipple P1.

The annulus D, pressure plug {1 and liUhC piece I when superimposed uponone on other are. collectively, of such diniosimls to exceed theinterior depth oi the casing It, so that the upper portion of the hoseplow 1 will normally protrude beyond the upper end of saidjrzas'ing'.in. .shmxu in Fig; 1. -o the. who!) in SCH"? (zip l iion-\Cui xioix'oupon the ti sited poriiou r1 oi thaeuslluj will conun;-.o ougay thwui.rl it he op rr cdg of the pump piece I blllfli't ii lit-(Unit's seatedon the upper edge of the casing;

With the constituent. parts associated as specified, it will be apparentthat if the screw cap B is screwed down upon the casing A, such.operation w ill depress the hose piece F and the pike i'csult that thispressure will be transmitted to the resilient annulus D. As the annulusD is placed under pressure. thrv height of its Wall will he decreasedand the thickness of its .wall will be coiiespcnclingly increased, withthe result that the inner diameter of said annulus will he lessei'ied.ll. during this operation, the end of the tire nipple in a positionWithin the annulus. as shown. in 1., the compression of the annulus willcause the some to tightly embrace and grip a portionof said nipple, andmaintain said nipple in such tight embrace as long as the screw cap 13is screwed down on the cusing. In this manner, the coupliugoriIUllnection may be maintained in a rigid posh tion on a tire nippleduring the inflating oporation.

It will he noted that the thumb screw (3., which istlircalcci thuoug'hthe screw cap B of the cesin is in alimement with the ball.- valve f anaccordiugly, after the coupling has been properly secured uppni hcnipple eynlve maybe. readily uuseated, t0 'aliow of. tho'iuflatingoperation,

of the tire, .th

merely screwing p 1 comes into COIlhMlfiWltli the va ltc and forces thesame fron its soot As scones sufficienl I re ssure has been ap;

plied to the tire, the va veF ma he allowed to return to its seat andshut o .the supply of compressed air by i erely unscrewing the oi: thecoupling sure plug with the 1 down saitl' screni (3 until it" said screwC at the conclusion of the iulluting operation, and, after the valve hasbeen seated, the coupling may be readily released from the tire nippleby unscrewing the tlirezulml cap sullieiently to release lhc rcsilh outannulus to such extent as to allow the ready withdrawal of theconnection from the nipple. l'li'JWlYtil', in removing iluconuwctioufrom tlu: lire nipple, it is not ahsolull-ly essential to first unscrewthe illllllll) screw U to seal the valve f, as this lluuul) screw isuutmuatically elevated when the rap 1% is unscrewed. Thus the operationof removing the connection will automatically allow of the seating ofvalve Aeeorih iugly in the practical operation of the (onucclion thunihscrew (1 may. at all times, re main in a pretlctcrinimad position. ormay be displaced by a fixed stem on the rap ii similar to S-Ziulii 1" idthe modified construction of F g. 3.

ll'umovements of the h se piece, longitudinally oi thrwis'ivg. incidentto the ililllmissing illl l rel asing opera! ions of the aunulos I). areallim'ml oi hy slot! in; the casing l ngitudinally as in o. 'l'he steinex teu ls through said slot and slides longitudinally thereof as thehose piece F is reciprw catcd.

The en'ihoilimenl of the invention hereinbeforc dcscrihed practicallyapplicable for use in conjunction with air pressure tanks where airunder the desired pressure is stored and ready for use, since the valvef serves to pre ent the wasteful leakage oi the storedup air. as saidair is only released when the connection is in rigid. position on a tirenipple. The construction as shown and 1h scribed is that which ispreferably employed in this environment since. the constriu-tion sho'r-nvery economical in manufaelurc and very o'llicicut in operation.

A further embodiment of the invention is when the same is employed inconjunction with foot or power compression pumps shown in Figs. 3 and 4of the drawings. In view of the fact that when air is supplied in thismanner, only Such air is compressed as is neccssarylo inflate the tireto the desired degree, and as soon as the tirehas been in fluted to thisextent, the operation of the pump ceases and no attempt is made to saveor store up what little excess compressed air ing to the-opening a, andthrough which 'with :1

opening a portion project into the casing be em the resilient annularmember,H.

of the tire nipple (inlay race y threaded upon the casing, and providedwith a depending post 2" adapted to en age with the hose iece I, asshown in Fig. The stem 2' is tu ular and the inner passage thereofcommunicates with the orifice in the hose piece, which orifice is indiis a screw cap 3 and 4 to a tire being apparent that t, e screwing orunscrewing of the screw cap J regulates the pressure on the annulus H,thereby causing the same to either grip or release the en the tirenipple over which the coupling is positioned.

While two distinct forms of the invention have been described, each isparticularly to its respective enviromnent, and it will be understoodthat, their use is not essentially limited as described. If desired, theconstruction of Figs. 1 and 2 might be used with afoot or other pumpinstead of pressure tank, in which former case the thumb screw C willsimply be screwed down to maintain thevalve 7'' unseated, at all tmes,so that, as pressure is generated in the pump, it can be immediatelytransmitted to the tire. On the other hand, the construction of Figs. 3and 4 might be used in conjunction with a pressure tank, in whichinstance the delivery tube or pipe leading from the'tank to theconnection rate with the a- Having thus a valve member slidablelongitudinally threaded with an aperture through which a portion of atire nipple may extend, a resilient annulns positioned within the casingand encircling said portion of the tire nipple, a member slidablelongitudinally of the casing and provided with a passage through whichcompressed air may be fed into the casing, for normally sealing saidpassage, a threaded cap for the casin which threaded cap, when screwedupon t e casing forces the slidable member longitudinally of the casingand compresses the resilient annulus to cause the same to grip the tireiii In a. device of the class described, the combination of a tubularcasing provided of the casing and compresses the resilient annulus tocause the same to grip the tire nipple and a thumb screw threadedthrough the threaded cap and operable to control the operationsof saidvalve.

In a device of the class described, the combination of a tubular casingprovided an aperture through which a portion of a tire nipple mayextend, a resilient ancircling said portion of the tire nipple, a

oi? the casmg and provided with a passage through which compressed airmay be fed into the casing, a valve for normally sealing said passage, athreaded cap for the casing, which threa edcap, when screwed upon thecasin forces the slidable member longitudinally of the casing andannulus to cause the same to nipple, and means associate SIDNEY R.ANTHONY.

